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A 1.50-mcylinder of radius 1.10cmis made of a complicated mixture of materials. Its resistivity depends on the distancexfrom the left end and obeys the formulap(x) = ax + bx^2, whereaandbare constants. At the left end, the resistivity is2.25 E-8 omega*m, while at the right end it is8.50 E -8 omega*m.A) What is the resistance of this rod?B) What is the electric field at its midpoint if it carries a 1.75-Acurrent?C) If we cut the rod into two 75.0-cmhalves, what is the resistance of each half?
An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm. Find the size and the nature of the image
A tank of water sits at the edge of a table of height 2m. The tank springs a very small leak at its base, and water sprays out a distance of 1.4 m from the edge of the table. What is the water level h in the tank? (Assume the tank is open to the a..
Find the force on the electron in the hydrogen molecule ion for which the potential is represented by the follwoing. V= (-e^2/r1)+(-e^2/r2)
A 30,000-kg freight car is coasting at 0.850 m/s with negligible friction under a hopper that dumps 110,000 kg of scrap metal into it. What is the final velocity of the loaded freight car
How much higher would the ball have gone in a vacuum. The time constant of an RC circuit is 4.8 s. How much time t is needed for the capacitor (uncharged initially) to gain one-half of its full equilibrium charge.
A converging lens with two convex surfaces has a front surface with radius of curvature of 11.3 cm; What is the focal length of the lens
Billiard ball A of mass = 0.130 moving with speed = 2.80 strikes ball B, initially at rest, of mass = 0.150. Consequently of the collision, ball A is deflected off at an angle of 28.0 with the speed = 2.00.
Your friend's 0.0185 kg graduation tassel hangs on a string from his rearview mirror. Find the tension in the string holding the tassel
Bronco Brown is mowing his lawn. He applies a force F along the handle of the lawnmower as shown. Bronco moves the mower at constant velocity.
In Rutherford's famous scattering experiment, α particles (helium nuclei) were fired at 2.0 x 10^7 m/s over a large distance toward a gold nucleus with charge +79e
A ball is dropped from a boat so that it striks the surface of a lake iwth a speed of 16.5 ft/s. Ball experiences aceeleration a = 10 - .8v, Determin the depth of the lake
You and a friend are studying late at night. There are three 150 W light bulbs and a radio with an internal resistance of 79.0, How much electrical power are you using
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